Dive into the world of knowledge and get your queries resolved at IDNLearn.com. Our experts provide accurate and detailed responses to help you navigate any topic or issue with confidence.
26. D. crushing the sugar cube and dissolving it in water.
27. A. atom
28. B. molecule
29. B. plum pudding model of Joseph John Thomson
30. B. He used cathode ray tubes which showed that all atoms contain tiny negatively charged subatomic particles or electrons
31. D. protons and neutrons are relatively heavier than electrons.